ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Parallel visual search mechanisms have been reported previously only in mammals and birds, and not animals lacking an expanded telencephalon such as bees. Here we report the first evidence for parallel visual search in fish using a choice task where the fish had to find a target amongst an increasing ...
In spite of advances in invertebrate pest management, the agricultural industry is suffering from impeded pest control exacerbated by global climate changes that have altered rain patterns to favour opportunistic breeding. Thus, novel naturally derived chemical compounds toxic to both terrestrial and ...
The Negro and Solimoes rivers join in front of the Brazilian city of Manaus to form the Amazon River. This “meeting of the waters” is a natural phenomenon of great aesthetic beauty that has been the focus of attention of researchers all over the world in various scientific fields. The waters of the ...
While ecological monitoring and biodiversity assessment programs are widely implemented and relatively well developed to survey and monitor the structure and dynamics of populations and communities in many ecosystems, quantitative assessment and monitoring of genetic and phenotypic diversity that is ...
Nutrient composition of the grasshoppers Oxya hyla hyla showed that they are a rich nutrient source containing 687.7 g protein/kg of dry body weight. Their antinutrient values fell within nutritionally acceptable values of the poultry bird Coturnix japonica japonica (Japanese quail). The most required ...
There has been a significant increase in the incidence of Saprolegnia infections over the past decades, especially after the banning of malachite green. Very often these infections are associated with high economic losses in salmonid farms and hatcheries. The use of boric acid to control the disease ...
Abstract</ The influence of the TGD (Three Gorges Dam) constructed upstream on the sediment transport in the Yangtze Estuary has been investigated in this paper. The process-based model is used to simulate the sediment transport in the Yangtze Estuary before and after the TGD constructed. The result ...
Abstract</ Based on the 2-D numerical model averaged in vertical direction which was performed for the tidal current and pollutant diffusion in the Xiyang channel along the southwestern coast of the Yellow Sea, the influence of pollutant diffusion at the effluent discharge sites which are located ...
Few studies have documented the activity patterns of both predators and their common prey over 24 h diel cycles. This study documents the temporal periodicity of two common resident predators of juvenile reef fishes, Cephalopholis cyanostigma (rockcod) and Pseudochromis fuscus (dottyback) and compares ...
The present invention provides a composition comprising (a) allyl isothiocyanate; and (b) an organic acid selected from acetic acid, propionic acid and mixtures thereof and optionally further comprising (c) green tea [Camellia sinensis] extract.
The invention relates to a method and to a device for shucking shell-bearing marine mollusks. The method includes the steps of: transporting a group of mollusks in the liquid stream thereof, against the flow of the stream, toward a shucking unit comprising a striking element (10) for shucking the mollusks ...
An outer shell shellfish packing chain comprising outer shell mollusc loading trays (2) having molluscan receiving housing (5) and carried by a transfer conveyor (1), and marking (10) of molluscs with an outer shell comprising etching means capable of etching an impression on a shell, and control means ...
The present invention provides a meat product comprising (a) uncooked meat; wherein the uncooked meat has been contacted with (b) acerola (Malpighia emarginata) berry, acerola (Malpighia emarginata) berry extract or mixtures thereof and (c) green tea (Camellia sinensis), green tea (Camellia sinensis) ...
A target object detection device is provided. The device includes a signal processor, a display unit, and a controller. The signal processor receives a reception signal generated based on an echo of an ultrasonic wave from a target object and generates echo data corresponding to a distance from a transmission ...
Provided are a control method, an electrical instrument, and a timer device that control, in an inexpensive and simple manner, an electrical instrument such as an illuminating instrument, to various operation states. A control method for an electrical instrument according to the present invention is ...
A pond filter arrangement comprising a pond filter (1) comprising a housing having a fluid inlet (12) and a fluid outlet (13) and a chamber (16) within the housing holding a plurality of filter media elements (2) which is disposed in a flow path between the inlet (12) and the outlet (13). Agitation ...
The marine medaka (Oryzias melastigma) has been increasingly used as a fish model for detecting environmental stresses and chemical contaminants in the marine environment. Recent mammalian studies have shown that environmental stresses can alter the expression profiles of microRNAs (miRNAs), leading ...
This study evaluated the natural prey preferences and spatial variability of predation pressure (PP = proportion of colonies with snails and/or clear predation signs) by the gastropod Cyphoma gibbosum on octocoral communities off the La Parguera Natural Reserve, Puerto Rico. All octocoral colonies were ...
Background. Since 2008, we have observed an increasing number of Myanmarese refugees in Malaysia being admitted for acute/subacute onset peripheral neuropathy. Most of them had a preceding history of starvation. Methods. We retrospectively studied the clinical features of all Myanmarese patients admitted ...
Background There is concern of avian influenza virus (AIV) infections in humans. Subsistence hunters may be a potential risk group for AIV infections as they frequently come into close contact with wild birds and the aquatic habitats of birds while harvesting. This study aimed to examine if knowledge ...